Angular cli team found a solution to my issue (https://github.com/angular/angular-cli/issues/13070#issuecomment-442570051), it was a misconfiguration in my tsconfig file.
An option that should not have been used here but wasn't creating an error prior v7.x Thanks for your help -- You received this message because you are subscribed to the Google Groups "Angular and AngularJS discussion" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/angular. For more options, visit https://groups.google.com/d/optout.
